<nb-card>
  <nb-card-header>Button Hero</nb-card-header>
  <nb-card-body>
    <button nbButton hero status="primary">Primary</button>
    <button nbButton hero status="success">Success</button>
    <button nbButton hero status="info">Info</button>
    <button nbButton hero status="warning">Warning</button>
    <button nbButton hero status="danger">Danger</button>
  </nb-card-body>
</nb-card>
